Update actions/checkout digest to fbc6f39

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout (changelog)	action	digest	08c6903 → fbc6f39

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[github-actions]

Please ensure that your PR title follows Conventional Commits specification. It looks like your proposed title needs to be adjusted.

feat: Add `Voxel` component
feat!: Remove deprecated `range` prop from `Cartesian`
fix: Fix flaky Voxel test leaking an unhandled error

Note: ! denotes a breaking change.

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No release type found in pull request title "Update actions/checkout digest to fbc6f39". Add a prefix to indicate what kind of release this pull request corresponds to. For reference, see https://www.conventionalcommits.org/

Available types:
 - feat: A new feature
 - fix: A bug fix
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